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The perfect cuboid problem is an old famous unsolved problem in mathematicsconcerning the existence or non-existence of a rectangular parallelepiped whoseedges, face diagonals, and space diagonal are of integer lengths. RecentlyWalter Wyss has published a paper [arXiv:1506.02215] claiming a solution ofthis problem. The purpose of this paper is to check out Walter Wyss's result.

On Walter Wyss's no perfect cuboid paper